參數(shù)資料
型號: 935174080557
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP44
封裝: SOT-307
文件頁數(shù): 3/44頁
文件大?。?/td> 278K
代理商: 935174080557
2000 Feb 02
11
Philips Semiconductors
Product specication
Self Tuned Radio (STR)
TEA5757HL; TEA5759HL
READING DATA
While WRITE-ENABLE is LOW data can be read by the
microcontroller. At a rising edge of the BUS-CLOCK, data
is shifted out of the register. This data is available from the
point where the BUS-CLOCK is HIGH until the next rising
edge of the BUS-CLOCK occurs (see Fig.4).
To read the entire shift register 24 clock pulses are
necessary.
WRITING DATA
While WRITE-ENABLE is HIGH the microcontroller can
transmit data to the TEA5757HL; TEA5759HL (hard mute
is active). At a rising edge of the BUS-CLOCK, the register
shifts and accepts one bit into LSB. At clock LOW the
microcontroller writes data (see Fig.5).
To write the entire shift register 25 clock pulses are
necessary.
Fig.4 Read data.
handbook, full pagewidth
WRITE-ENABLE
BUS-CLOCK
DATA
data read
data available
data shift
data available after search ready
MSB is LOW
MBE817
Fig.5 Write data.
handbook, full pagewidth
data change
data shift
MBE818
WRITE-ENABLE
BUS-CLOCK
DATA
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